API Features

• Generate invoices programmatically from your application
• Customize invoice templates to match your brand
• Support for multiple output formats (PDF, PNG, HTML)
• Automated invoice numbering and sequencing
• Tax calculation and currency conversion
• Webhook support for invoice status updates

Authentication

Our API uses API keys for authentication. Include your API key in the Authorization header with each request.

Authorization: Bearer your_api_key_here

Quick Start

Here's a simple example of creating an invoice with our API:

POST /api/v1/invoices
Content-Type: application/json
Authorization: Bearer your_api_key_here

{
  "from": {
    "name": "Your Business",
    "email": "billing@yourbusiness.com",
    "address": "123 Business St, City, Country"
  },
  "to": {
    "name": "Client Name",
    "email": "client@example.com"
  },
  "items": [
    {
      "description": "Web Design Services",
      "quantity": 1,
      "price": 1000,
      "tax_rate": 10
    }
  ],
  "notes": "Thank you for your business!",
  "terms": "Payment due within 15 days."
}

Response Example

{
  "success": true,
  "invoice": {
    "id": "inv_abc123",
    "number": "INV-2023-001",
    "amount": 1100,
    "currency": "USD",
    "status": "created",
    "pdf_url": "https://api.9zor.site/invoices/inv_abc123.pdf",
    "created_at": "2023-01-01T12:00:00Z"
  }
}

API Documentation

For complete API documentation including all endpoints, request/response formats, and error codes, please visit our API Documentation Portal.

Get API Access

To get started with our API, you'll need an API key. Choose a plan that fits your needs: